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- As he picked up the envelope, a key dropped out. 他拣起信封时，一把钥匙掉了出来。
- As she picked up the envelope, a key dropped out. 她拾起信封时，一把钥匙掉了出来。
- A slot for a key in the hub or shaft of a wheel. 键槽轮子的毂或轴里的键的沟槽
- He is a key witness in this case. 在这个案件中，他是一个主要见证人。
- This is a key feature of our society. 这是我们社会的一个主要特点。
- A stroke of a key, as on a word processor. 按键(如在文字处理机上)按一下键
- Gently sand the plastic to provide a key for the paint. 用砂纸在塑料上轻轻打磨出粗糙面以便涂颜料。
- But no portal can be opened without a key. 但是没有钥匙传送门是不会打开的。
- A key resource to be used at an opportune moment. 王牌适当时刻所用的关键手段
- Workshop foreman is a key position in this factory. 在工厂，车间领班的工作很重要。
- The computer just dings when I press a key. 我一按键，电脑就发出丁的一声。
- A key played with the finger, as on a piano. 琴键如在钢琴上用手指弹奏的部分
- The blind man fumble about in his pocket for a key. 那个盲人在口袋里摸找钥匙。
- A key or scale in which A is the tonic. A调音阶以A调为主音调的音键或音阶
- A key or scale in which B is the tonic. B键，B阶以B音为主音调的琴键或音阶
- A key or scale in which D is the tonic. D键，D阶以D音为主调音的琴键或音阶
- A key or scale in which F is the tonic. 发F音的键以F音为主调音的琴键或音阶
- To lock with or as if with a key. 用或好象用钥匙锁
- Do you have a key to open the door with? 你有开这门的钥匙吗?
- The machine can reproduce a key in two minutes. 这机器能在两分钟内复制一把钥匙。
